SiSoft Sandra 2

At this point we deliver the values regarding Memory Bandwidth, Memory Latency as well as Memory and Cache Access.

Memory bandwidth

SiSoft Sandra - Memory bandwidth - Integer	Review Rating	GB/sec	Percent
ASUS P9X79-E WS	No Review	40.58	111.85 %
ASUS Rampage IV Black Edition	No Review	40.49	111.60 %
ASUS X79 Deluxe	No Review	40.28	111.11 %
ASRock Fatal1ty X79 Champion	No Review	39.43	108.68 %
Gigabyte G1.Assassin 2	No Review	38.20	105.29 %
EVGA X79 Dark	No Review	38.14	105.13 %
Gigabyte GA-X79-UD3		37.83	104.27 %
ASUS Sabertooth X79		37.77	104.11 %
ASUS P9X79 Deluxe		37.76	104.08 %
ASUS P9X79 Pro	No Review	37.74	104.02 %
ASUS P9X79 WS		37.61	103.67 %
ASUS Rampage IV Gene		37.58	103.58 %
ASUS Rampage IV Extreme		37.41	103.11 %
Gigabyte GA-X79-UD7		37.27	102.73 %
ASRock X79 Extreme4-M		37.18	102.48 %
ASUS Rampage IV Formula		37.00	101.98 %
ASRock X79 Extreme4		36.74	101.27 %
MSI Big Bang Xpower II		36.35	100.19 %
Intel DX79SI		36.28	100.00 %
		more is better

SiSoft Sandra - Memory bandwidth - floating point	Review Rating	GB/sec	Percent
ASUS P9X79-E WS	No Review	40.57	111.30 %
ASUS Rampage IV Black Edition	No Review	40.49	111.08 %
ASUS X79 Deluxe	No Review	40.27	110.48 %
ASRock Fatal1ty X79 Champion	No Review	39.41	108.12 %
EVGA X79 Dark	No Review	38.18	104.75 %
Gigabyte G1.Assassin 2	No Review	38.00	104.25 %
ASUS P9X79 Deluxe		37.85	103.84 %
Gigabyte GA-X79-UD3		37.84	103.81 %
ASUS P9X79 Pro	No Review	37.76	103.59 %
ASUS Sabertooth X79		37.70	103.43 %
ASUS Rampage IV Extreme		37.69	103.41 %
ASUS Rampage IV Gene		37.66	103.32 %
ASUS P9X79 WS		37.63	103.24 %
Gigabyte GA-X79-UD7		37.38	102.55 %
ASRock X79 Extreme4-M		37.23	102.14 %
ASUS Rampage IV Formula		37.20	102.06 %
ASRock X79 Extreme4		36.86	101.12 %
Intel DX79SI		36.45	100.00 %
MSI Big Bang Xpower II		36.42	99.92 %
		more is better

Memory latency

SiSoft Sandra - Memory latency	Review Rating	ns	Percent
ASUS Rampage IV Black Edition	No Review	73.50	100.14 %
Intel DX79SI		73.60	100.00 %
EVGA X79 Dark	No Review	73.90	99.59 %
ASUS Rampage IV Extreme		74.40	98.92 %
ASRock Fatal1ty X79 Champion	No Review	74.50	98.79 %
ASUS Sabertooth X79		74.60	98.66 %
ASUS X79 Deluxe	No Review	74.60	98.66 %
Gigabyte G1.Assassin 2	No Review	74.70	98.53 %
ASUS P9X79 Deluxe		74.70	98.53 %
ASUS P9X79 Pro	No Review	74.70	98.53 %
ASUS P9X79-E WS	No Review	74.80	98.40 %
ASUS P9X79 WS		74.80	98.40 %
Gigabyte GA-X79-UD3		74.80	98.40 %
ASUS Rampage IV Gene		74.80	98.40 %
Gigabyte GA-X79-UD7		75.00	98.13 %
ASUS Rampage IV Formula		76.00	96.84 %
ASRock X79 Extreme4-M		79.30	92.81 %
ASRock X79 Extreme4		79.30	92.81 %
MSI Big Bang Xpower II		80.90	90.97 %
		less is better

Memory and cache access

SiSoft Sandra - Memory and cache access	Review Rating	GB/sec	Percent
ASUS Rampage IV Black Edition	No Review	180.00	105.76 %
ASUS X79 Deluxe	No Review	178.65	104.97 %
EVGA X79 Dark	No Review	178.30	104.76 %
ASRock Fatal1ty X79 Champion	No Review	176.47	103.69 %
ASUS P9X79-E WS	No Review	176.43	103.67 %
Gigabyte GA-X79-UD3		175.63	103.20 %
ASUS P9X79 WS		175.60	103.18 %
ASUS Rampage IV Gene		175.57	103.16 %
ASUS P9X79 Pro	No Review	175.00	102.83 %
ASUS Sabertooth X79		174.75	102.68 %
Gigabyte G1.Assassin 2	No Review	174.55	102.56 %
ASUS P9X79 Deluxe		174.24	102.38 %
ASUS Rampage IV Formula		174.15	102.33 %
Gigabyte GA-X79-UD7		174.14	102.32 %
ASUS Rampage IV Extreme		173.41	101.89 %
MSI Big Bang Xpower II		172.70	101.47 %
Intel DX79SI		170.19	100.00 %
ASRock X79 Extreme4-M		170.00	99.89 %
ASRock X79 Extreme4		169.37	99.82 %
		more is better